Ile des Cendres volcanIle des Cendres ("Island of Ashes") volcano is a group of submarine volcanoes off the SE coast of Vietnam. It consists of 2 submarine cinder cones that formed temporary islands during the last eruption in 1923 and 2 submarine lava cones of uncertain age. Several other submarine volcanic cones are found between the mainland of Vietnam and the Ile des Cendres.
A submarine eruption began on 2 March 1923 and produced 2 small islands, one about 30 m high and about 450 m long, and the other only 30 m wide and 30 cm high. A third submarine vent built a cone that reached to within 20 m of the surface. The islands were eroded after the eruption ended on 13 May, and are now submerged.
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